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<HEAD><TITLE>QUEST</TITLE></HEAD>
<BODY><H1>QUEST</H1>
A QUEST staircase. See documentation for QuestCreate for more details about the parameters<BR><BR>
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<TR><TD>Name</TD><TD>Required</TD><TD>Type</TD><TD>Default value</TD><TD>Description</TD>
<TR><TD>tGuess</TD><TD>Yes</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>0</TD><TD>Prior threshold estimate</TD></TR>
<TR><TD>tGuessSd</TD><TD>Yes</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>0.50</TD><TD>Standard deviation of guess</TD></TR>
<TR><TD>pThreshold</TD><TD>Yes</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>0.75</TD><TD>threshold criterion (midpoint of table will yield this threshold</TD></TR>
<TR><TD>beta</TD><TD>No</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>3.50</TD><TD>beta parameter of Weibell function (steepness)</TD></TR>
<TR><TD>delta</TD><TD>No</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>0.01</TD><TD>delta parameter of Weiball function (fraction of trials the observer presses blindly)</TD></TR>
<TR><TD>gamma</TD><TD>No</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>0.50</TD><TD>gamma parameter of Weibell function (fraction of trials that will generate response 1 when stimulus intensity = -inf</TD></TR>
<TR><TD>min</TD><TD>No</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>-Inf</TD><TD>minimum value to show - the value shown will always be >= to this value, regardless of what Quest suggests</TD></TR>
<TR><TD>max</TD><TD>No</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>Inf</TD><TD>maximum value to show - the value shown will always be <= to this value, regardless of what Quest suggests</TD></TR>
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